High Seas Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
000
FZPN03 KNHC 222130
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU FEB 22 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

SECURITE

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1800 UTC THU FEB 22.
24 HOUR FORECAST VALID 1800 UTC FRI FEB 23.
48 HOUR FORECAST VALID 1800 UTC SAT FEB 24.

.WARNINGS.

...ASHFALL ADVISORY...
FUEGO VOLCANO AT POSITION 14.3N 90.9W IS CURRENTLY ERUPTING.
PLUME OF VOLCANIC ASH MAY REACH TO THE SURFACE THROUGH EARLY
EVENING N OF 14N E OF 93W. LOW LEVEL VISIBILITY MAY BE REDUCED
TO 1 NM OR LESS. MARINERS SHOULD EXERCISE CAUTION. IF MARINERS
ENCOUNTER VOLCANIC ASH...THEY ARE ENCOURAGED TO REPORT THE
OBSERVATION TO THE NATIONAL WEATHER SERVICE BY CALLING
305-229-4425.

.SYNOPSIS AND FORECAST.

.WITHIN AREA BOUNDED BY 19N120W TO 13N120W TO 09N134W TO
11N140W TO 21N140W TO 19N120W NE TO E WINDS 20 TO 25 KT. SEAS 8
TO 13 FT IN MIXED NE AND NW SWELL. ELSEWHERE WITHIN AREA
BOUNDED BY 19N108W TO 12N111W TO 07N123W TO 08N140W TO 29N140W TO
24N119W TO 19N108W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED
NE AND NW SWELL.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 18N124W TO 13N128W TO
10N140W TO 20N140W TO 21N127W TO 18N124W NE TO E WINDS 20 TO 25
KT. SEAS 8 TO 11 FT IN MIXED NE AND NW SWELL. ELSEWHERE WITHIN
AREA BOUNDED BY 28N140W TO 16N111W TO 07N111W TO 03N133W TO
04N140W TO 28N140W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN
MIXED NE AND NW SWELL.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 17N123W TO 14N124W TO
11N140W TO 20N140W TO 17N123W NE TO E WINDS 20 TO 25 KT. SEAS 9
TO 12 FT IN MIXED NE AND NW SWELL. ELSEWHERE WITHIN AREA
BOUNDED BY 19N118W TO 12N112W TO 09N124W TO 01N140W TO 27N140W TO
28N137W TO 19N118W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED
NE AND NW SWELL.

.24 HOUR FORECAST WITHIN AREA BOUNDED BY 30N116W TO 28N121W TO
28N126W TO 30N126W TO 30N116W WINDS 20 KT OR LESS. SEAS 8 TO 9
FT IN NW SWELL.
.36 HOUR FORECAST FROM 25N TO 29N WITHIN 60 NM OF PACIFIC COAST
OF BAJA CALIFORNIA..INCLUDING SEBASTIAN VIZCAINO BAY...NW TO N
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE WITHIN AREA BOUNDED
BY 27N114W TO 26N112W TO 25N112W TO 25N113W TO 29N115W TO 27N114W
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 30N116W TO 22N112W TO
21N121W TO 25N126W TO 29N135W TO 30N116W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN W TO NW SWELL.

.GULF OF PAPAGAYO WITHIN 30 NM EITHER SIDE OF A LINE FROM 11N86W
TO 10N88W NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.15 HOUR FORECAST GULF OF TEHUANTEPEC N OF 14.5N BETWEEN 94.5W
AND 95.5W N WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.30 HOUR FORECAST GULF OF CALIFORNIA N OF 31N NW TO N WINDS 20 TO
25 KT. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST GULF OF CALIFORNIA FROM 25N TO 29N W OF 109.5W
NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST GULF OF CALIFORNIA FROM 23N TO 28N W OF 108W NW
TO N WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 2100 UTC THU FEB 22...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH AXIS EXTENDS FROM 09N84W TO 02N96W. ITCZ AXIS EXTENDS
FROM 02N96W TO 04N120W TO 07N140W. SCATTERED MODERATE
CONVECTION WITHIN AREA BOUNDED BY 14N126W TO 09N124W TO 07N133W
TO 09N140W TO 13N140W TO 12N135W TO 14N126W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.